Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up

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От Tom Lane
Тема Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up
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Msg-id 28755.1275191692@sss.pgh.pa.us
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Ответ на Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up  (Greg Stark <gsstark@mit.edu>)
Ответы Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up  (Greg Stark <gsstark@mit.edu>)
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Greg Stark <gsstark@mit.edu> writes:
> On Sun, May 30, 2010 at 3:56 AM, Greg Stark <gsstark@mit.edu> wrote:
>> This sounds familiar. If you search back in the archives around 2004
>> or so I think you'll find a similar discussion when we replaced the
>> crc32 implementation with what we have now.

> Fwiw here's the thread (from 2005):
> http://thread.gmane.org/gmane.comp.db.postgresql.devel.general/43811

I read through that thread and couldn't find much discussion of
alternative CRC implementations --- we spent all our time on arguing
about whether we needed 64-bit CRC or not.
        regards, tom lane


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